PHP Fatal error: Class 'DomDocument' not found in symfony

centos

login with su
and type bellow command

# yum --enablerepo=centosplus install php-xml

mssql server conncet to linux php

now install in linux machine(fedora/centos)

yum install freetds

and

yum install php-mssql (if not work then go menu system -> administartor add/remove software and search mssql and select php-mssql)

open
/etc/freetdsconf

and add the last

[conncetmssql]
host = 192.168.1.5
port = 1433
tds version = 4.2

> service httpd restart

example:

<?php
if (function_exists('mssql_connect')){
echo "Okay, function work";
} else {
echo "php-mssql not installed";
}

if(extension_loaded("mssql")) {
echo "MSSQL is Loaded<br>";
}
else {
echo "MSSQL not loaded<br>";
}

// Connecting, selecting database
$link = mssql_connect('conncetmssql', 'username', 'password') or die('Could not connect: ' . mssql_get_last_message());
echo 'Connected successfully';
mssql_select_db('yourdatabasename') or die('Could not select database');

echo "select db";
// Performing SQL query
$query = 'SELECT * FROM tablename';
$result = mssql_query($query) or die('Query failed: ' . mssql_error());

// Printing results in HTML
echo "<table>\n";
while ($line = mssql_fetch_array($result, MSSQL_ASSOC)) {
echo "\t<tr>\n";
foreach ($line as $col_value) {
echo "\t\t<td>$col_value</td>\n";
}
echo "\t</tr>\n";
}
echo "</table>\n";

// Free resultset
mssql_free_result($result);

// Closing connection
mssql_close($link);
?>

Configure a server alias to use TCP/IP sockets

Note To configure a server alias to use TCP/IP sockets, you must provide the server name and the TCP/IP port number.

1. Determine the TCP/IP port number of the instance of SQL Server.

SQL Server 2005
1. Open SQL Server Configuration Manager, and then expand SQL Server 2005 Network Configuration.
2. Click Protocols for InstanceName, and then double-click TCP/IP in the right panel.

Note InstanceName is a placeholder for the named instance of SQL Server 2005.
3. On the Protocol tab, notice the value of the Listen All item.
4. Click the IP Addresses tab:
* If the value of Listen All is yes, the TCP/IP port number for this instance of SQL Server 2005 is the value of the TCP Dynamic Ports item under IPAll.
* If the value of Listen All is no, the TCP/IP port number for this instance of SQL Server 2005 is the value of the TCP Dynamic Ports item for a specific IP address.
Note If the value of the TCP Dynamic Ports item is not set, you must set it yourself. For more information about how to configure a server to listen on a specific TCP port, visit the following Microsoft Developer Network (MSDN) Web site: http://msdn2.microsoft.com/en-us/library/ms177440.aspx (http://msdn2.microsoft.com/en-us/library/ms177440.aspx)
5. Click OK.

or more detail bellow two link

1. http://support.microsoft.com/kb/265808
2. http://msdn.microsoft.com/en-us/library/ms177440.aspx

Connection could not be established with host localhost

Connection could not be established with host localhost [permission denied]

in Linux

send mail in php

send mail from Swift_TransportException

check php.ini

SMTP localhost
smtp_port 25
sendmail_from no value
sendmail_path /usr/sbin/sendmail -t -i

sendmail service start and enabled

in firewall
Mail(SMTP) 25/tcp

SELinux
system default enforcing mode : Disabled

how to make jar file

make jar file

jar cvfm MyJarName.jar manifest.txt *.class *.txt

in manifest.txt
Main-Class: ExecuteclassName


runjar file
java -jar MyJarName.jar

jar file execute on click

right click on jar file and open with path to jre/lib/jexec

Start rmiregistry programmatically

try {
LocateRegistry.createRegistry(1099);
} catch (RemoteException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}

Apache Userdir enabled

go to

In httpd.conf
add comment bellow line
userdir disabled
-----------------------------------------------
chmod 711 for /home/userdir(userid)
chmod 755 for /home/userdir(userid)/public_html

[or]

chcon -R -t htppd_sys_content_t /home/keval/web
-----------------------------------------------
system => selinux management => boolean
check => Allow httpdto read home directores(module apache)

[or]

setsebool -P httpd_enable_homedirs true
-----------------------------------------------
remove comment in httpd.conf
NameVirtualHost *:80


ServerName localhost
DocumentRoot /home/userdir/web

-----------------------------------------------
restart httpd
-----------------------------------------------

/etc/hosts

change localhost localhost.localdomain to localhost.localdomain localhost

127.0.0.1 localhost localhost.localdomain
::1 localhost localhost.localdomain

replace with

127.0.0.1 localhost.localdomain localhost
::1 localhost.localdomain localhost

-----------------------------------------------

Saurashtra University Result

How to recover / change the root password on RedHat Linux based systems

How to recover / change the root password on RedHat Linux based systems

Power on, or reboot as needed.

and press 'tab' key

Now you should press 'e' and you will get this screen.

plz select kernel option

now press 'e'

Insert an space and the number one '1'.

After that press ENTER and 'b' and ENTER again.

Now you can change the password like this

#passwd

enter new password

then

give

#chmod u+s /bin/su

and

#exit

Enable Remote Access To Mysql Database Server

By default remote access to MySQL database server is disabled for security reasons. However, some time you need to provide remote access to database server from home or a web server.

Working on fedora 10, php 5.3.2 and mysql Server version: 5.1.47

Edit my.cnf File
Red Hat Linux/Fedora/Centos Linux file is located at /etc/my.cnf location

opne this file and search [mysqld]
and add bellow line
port = 3306
bind-address = your system ip

service mysqld restart


Open port 3306

open TCP port 3306 using iptables.
A sample iptables rule to open Linux iptables firewall

/sbin/iptables -A INPUT -i eth0 -p tcp --destination-port 3306 -j ACCEPT

save all rules

service iptables save

Example

<?php
$link = mysql_connect('host ip', 'username', 'password');
if (!$link) {
die('Could not connect: ' . mysql_error());
exit;
}

$db_selected = mysql_select_db('database',$link);
if (!$db_selected) {
die ('Can\'t use database : ' . mysql_error());
exit;
}

$sql = "SELECT id as col1, col2, col3 FROM sometable";

$result = mysql_query($sql);

if (!$result) {
echo "Could not successfully run query ($sql) from DB: " . mysql_error();
exit;
}

if (mysql_num_rows($result) == 0) {
echo "No rows found, nothing to print so am exiting";
exit;
}

while ($row = mysql_fetch_assoc($result)) {
echo $row["col1"];
echo " ".$row["col2"];
echo " ".$row["col3"];
}

mysql_free_result($result);

mysql_close($link);
?>

Base on : http://www.cyberciti.biz/tips/how-do-i-enable-remote-access-to-mysql-database-server.html

windows desktop corrupted

if windows desktop corrupted

then copy explorer.exe from working windows folder to corrupted deskotp windows folder (same version)

mount nfs no route to host

in fedora os

first open

vi /etc/exports

add bellow line
/home/USER_NAME/public_html 192.168.1.*(rw,async,no_root_squash)


exportfs -a -v

service nfs start

chkconfig nfs on

service portmap restart

chkconfig portmap on

service iptables stop

(if you want to iptables service permanently disable)

/sbin/chkconfig iptables off

then after mount nfs from other system bellow command

mount -o rw,async 192.168.1.(server id):/home/USER_NAME/web /home/USERS_NAME/MOUNT_DIR_NAME

auto mount in booting (server  dir local sys dir)

192.168.1.1:/home/keval/web /home/keval/kevalweb nfs defaults 0 0

==============================
if ssh login not work on fedora

then try commnad through

passwd username

mysql data copy

start mysql

> mysql -h localhost -u root -p

create user

mysql> create user 'user_name'@'localhost' identified by 'password';

create database

mysql> create database db_name

use database

mysql> use db_name;

copy data from file

mysql> \. /home/user_name/Downloads/my_db.sql

apache virtual host configuration

httpd.conf file setting

<IfModule mod_userdir.c>
#
# UserDir is disabled by default since it can confirm the presence
# of a username on the system (depending on home directory
# permissions).
#
#UserDir disabled

#
# To enable requests to /~user/ to serve the user's public_html
# directory, remove the "UserDir disabled" line above, and uncomment
# the following line instead:
#
UserDir public_html

</IfModule>

make file /etc/httpd/conf.d/vhost.conf


NameVirtualHost *:80

<VirtualHost *:80>
ServerName www.test.local
DocumentRoot /home/USER_NAME/public_html/www.test.com
<Directory /home/USER_NAME/public_html/www.test.com>
AllowOverride All
Options FollowSymlinks
Order Allow,Deny
Allow From All
</Directory>
</VirtualHost>


commond prompt
chcon -R -t htppd_sys_content_t /home//public_html
setsebool -P httpd_enable_homedirs true

/etc/hosts file entry

127.0.0.1 www.test.local

Facebook app request

how to get facebook apprequest receiver user id

<a onclick="facebook_invitess_users(); return false;" href="#" class="link2">click here</a>
<script type="text/javascript">
window.fbAsyncInit = function() {
FB.init({appId: 'your_appid', status: true, cookie: true, xfbml: true});
};

FB.init({appId: 'your_appid', status: true, cookie: true, xfbml: true});

var facebook_invitess_users = function() {

FB.ui(
{
method: 'apprequests',
message: rebuild,
data: 'tracking information for the user',
title: 'Choose the friends you would like to invite',

},
function(response) {
jQuery.post(
"submit_url",
{request_ids: response.request_ids},
function(data) { alert(data); },
"html"
);
}
);


}

</script>

submit url php file code

<?php
if(isset($_REQUEST['request_ids'])) {
$sent = $_REQUEST['request_ids']; //Convert csv to array
$count = count($sent); //count how many objects in array

$appid = 'facebook_app_id';
$secret = 'facebook_app_secrct';
$app_token = file_get_contents('https://graph.facebook.com/oauth/access_token?client_id='.$appid.'&client_secret='.$secret.'&grant_type=client_credentials');

//Get application token
for ($a = 0; $a < $count; $a++) {

$request = file_get_contents('https://graph.facebook.com/'.$sent[$a].'?'.$app_token);

print_r($request); // This will output like below

$arr = json_decode($request);
var_dump($arr);
print_r($arr->to->name);
print_r($arr->to->id);

}

}
?>